Home / 417,869.20-626,848.32-133,460.36

Finding the Fourth Proportional to 417,869.20, 626,848.32 and 133,460.36

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Solution

The fourth proportional to 417,869.20, 626,848.32 and 133,460.36 is: 200,204.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,869.20 : 626,848.32 = 133,460.36 : x
  2. Step 2: Convert to fraction form
    417,869.20/626,848.32 = 133,460.36/x
  3. Step 3: Cross multiply
    417,869.20x = 626,848.32 × 133,460.36
  4. Step 4: Simplify right side
    417,869.20x = 83,659,402,452.60
  5. Step 5: Solve for x
    x = 83,659,402,452.60/417,869.20
  6. Step 6: Final answer
    x = 200,204.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.